1013019993977 has 2 divisors, whose sum is σ = 1013019993978. Its totient is φ = 1013019993976.

The previous prime is 1013019993961. The next prime is 1013019994043. The reversal of 1013019993977 is 7793999103101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992645571856 + 20374422121 = 996316^2 + 142739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013019993977 - 2⁴ = 1013019993961 is a prime.

It is a super-2 number, since 2×1013019993977² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1013019993917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506509996988 + 506509996989.

It is an arithmetic number, because the mean of its divisors is an integer number (506509996989).

Almost surely, 2^{1013019993977} is an apocalyptic number.

It is an amenable number.

1013019993977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013019993977 is an equidigital number, since it uses as much as digits as its factorization.

1013019993977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2893401, while the sum is 59.

The spelling of 1013019993977 in words is "one trillion, thirteen billion, nineteen million, nine hundred ninety-three thousand, nine hundred seventy-seven".